diff --git a/devel/ocaml-result/Makefile b/devel/ocaml-result/Makefile
index 95c073cab31f..74e53ed73bd6 100644
--- a/devel/ocaml-result/Makefile
+++ b/devel/ocaml-result/Makefile
@@ -1,23 +1,26 @@
 # Created by: Alexey Dokuchaev <danfe@FreeBSD.org>
 
 PORTNAME=	result
-PORTVERSION=	1.2
+PORTVERSION=	1.5
 CATEGORIES=	devel
 PKGNAMEPREFIX=	ocaml-
 
 MAINTAINER=	danfe@FreeBSD.org
 COMMENT=	Compatibility result module for OCaml
 
 LICENSE=	BSD3CLAUSE
-LICENSE_FILE=	${WRKSRC}/LICENSE
+LICENSE_FILE=	${WRKSRC}/LICENSE.md
 
-USES=		gmake
+BUILD_DEPENDS=	dune:devel/ocaml-dune
 
+USES=		gmake
+USE_OCAML=	yes
 USE_GITHUB=	yes
 GH_ACCOUNT=	janestreet
 
-USE_OCAML=	yes
-USE_OCAML_FINDLIB=	yes
-MAKE_JOBS_UNSAFE=	yes
+ALL_TARGET=	default
+MAKE_ENV=	LIBDIR=${OCAML_SITELIBDIR}
+
+OPTIONS_DEFINE=	DOCS
 
 .include <bsd.port.mk>
diff --git a/devel/ocaml-result/distinfo b/devel/ocaml-result/distinfo
index c4307faa460e..faea9d6e5398 100644
--- a/devel/ocaml-result/distinfo
+++ b/devel/ocaml-result/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1457018677
-SHA256 (janestreet-result-1.2_GH0.tar.gz) = 7cf7909f902994dc885ceae1983e4cda3665914c774f774604d076b89f76f7dd
-SIZE (janestreet-result-1.2_GH0.tar.gz) = 2100
+TIMESTAMP = 1582184927
+SHA256 (janestreet-result-1.5_GH0.tar.gz) = 1072a8b0b35bd6df939c0670add33027f981e4f69a53233cb006b442fa12af30
+SIZE (janestreet-result-1.5_GH0.tar.gz) = 2291
diff --git a/devel/ocaml-result/files/patch-Makefile b/devel/ocaml-result/files/patch-Makefile
new file mode 100644
index 000000000000..019f1667220f
--- /dev/null
+++ b/devel/ocaml-result/files/patch-Makefile
@@ -0,0 +1,8 @@
+--- Makefile.orig	2020-02-20 07:48:47 UTC
++++ Makefile
+@@ -1,4 +1,5 @@
+ INSTALL_ARGS := $(if $(PREFIX),--prefix $(PREFIX),)
++INSTALL_ARGS += $(if $(LIBDIR),--libdir $(LIBDIR),)
+ 
+ default:
+ 	dune build @install
diff --git a/devel/ocaml-result/pkg-plist b/devel/ocaml-result/pkg-plist
index cf4c14fd533b..dbb7cf3215d8 100644
--- a/devel/ocaml-result/pkg-plist
+++ b/devel/ocaml-result/pkg-plist
@@ -1,11 +1,14 @@
 %%OCAML_SITELIBDIR%%/result/META
+%%OCAML_SITELIBDIR%%/result/dune-package
+%%OCAML_SITELIBDIR%%/result/opam
 %%OCAML_SITELIBDIR%%/result/result.a
 %%OCAML_SITELIBDIR%%/result/result.cma
 %%OCAML_SITELIBDIR%%/result/result.cmi
-%%OCAML_SITELIBDIR%%/result/result.cmo
+%%OCAML_SITELIBDIR%%/result/result.cmt
 %%OCAML_SITELIBDIR%%/result/result.cmx
 %%OCAML_SITELIBDIR%%/result/result.cmxa
 %%OCAML_SITELIBDIR%%/result/result.cmxs
-%%OCAML_SITELIBDIR%%/result/result.install
 %%OCAML_SITELIBDIR%%/result/result.ml
-%%OCAML_SITELIBDIR%%/result/result.o
+%%PORTDOCS%%share/doc/ocaml/result/CHANGES.md
+%%PORTDOCS%%share/doc/ocaml/result/LICENSE.md
+%%PORTDOCS%%share/doc/ocaml/result/README.md